exam
Maths Puzzle
Numerical Ability
A car travels 40 mph for 20 miles, 36mph for 24 miles, and 48 mph for 16 miles. What is its average speed?
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exam Other Question
Solve:
sqrt(x+1) = sqrt(2x-6)
-sqrt(y) - 8 = 6
im havig trouble understanding how to do this problem , could you show me how to do this?
-1/2 -3/2
(x+5) - (x+5)